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diff src/share/vm/runtime/vmStructs.cpp @ 11033:d9eed26d638a

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8009575: Reduce Symbol::_refcount from 4 bytes to 2 bytes Summary: Added Atomic::inc(short*) to support this change. Reviewed-by: coleenp, dcubed, dholmes, minqi
author iklam
date Sun, 23 Jun 2013 22:08:28 -0700
parents f2110083203d
children cedf20e2a655 583211d4b16b
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--- a/src/share/vm/runtime/vmStructs.cpp	Fri Jun 21 10:55:26 2013 -0700
+++ b/src/share/vm/runtime/vmStructs.cpp	Sun Jun 23 22:08:28 2013 -0700
@@ -379,7 +379,7 @@
   nonstatic_field(ConstMethod,          _size_of_parameters,                           u2)                                    \
   nonstatic_field(ObjArrayKlass,               _element_klass,                                Klass*)                                \
   nonstatic_field(ObjArrayKlass,               _bottom_klass,                                 Klass*)                                \
-  volatile_nonstatic_field(Symbol,             _refcount,                                     int)                                   \
+  volatile_nonstatic_field(Symbol,             _refcount,                                     short)                                 \
   nonstatic_field(Symbol,                      _identity_hash,                                int)                                   \
   nonstatic_field(Symbol,                      _length,                                       unsigned short)                        \
   unchecked_nonstatic_field(Symbol,            _body,                                         sizeof(jbyte)) /* NOTE: no type */     \